DigiTech DOD 440 Envelope FilterThats right, we know how you like it. The DOD 440 (2014) makes your guitar speak with vowel like sounds, and cry with slow filter sweeps that react to your pick attack. The new addition of the up and down switch lets you choose which part of the sweep you want to emphasize. Guitarists will love the UP setting for classic envelope quack. Bassists will love the DOWN setting for big dub sub thunder. The 440 is back and the neighborhood will never be the